22212201122122 has 32 divisors (see below), whose sum is σ = 36613436460480. Its totient is φ = 10022514679680.

The previous prime is 22212201122117. The next prime is 22212201122179. The reversal of 22212201122122 is 22122110221222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22212201122093 and 22212201122102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192895708 + ... + 193010824.

It is an arithmetic number, because the mean of its divisors is an integer number (1144169889390).

Almost surely, 2^{22212201122122} is an apocalyptic number.

22212201122122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22212201122122 is a deficient number, since it is larger than the sum of its proper divisors (14401235338358).

22212201122122 is a wasteful number, since it uses less digits than its factorization.

22212201122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179286.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22212201122122 its reverse (22122110221222), we get a palindrome (44334311343344).

The spelling of 22212201122122 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-two".